A man in a bird costume walks around in stilts next to the "Photo Chapel" at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

A man in a bird costume walks around in stilts next to the "Photo Chapel" at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's ... more

Photo: Andy Barron, Associated Press

A man in a bird costume walks around in stilts next to the... Photo-5128081.69376 - SFGate

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A "Mobile Board Room" moves along the playa at the Burning Man festival in Gerlach, Nev. on Thursday, Aug. 29, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

A "Mobile Board Room" moves along the playa at the Burning Man festival in Gerlach, Nev. on Thursday, Aug. 29, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the ... more

Photo: Andy Barron, Associated Press

A "Mobile Board Room" moves along the playa at the... Photo-5128082.69376 - SFGate

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The "Man" burns on the Black Rock Desert at Burning Man near Gerlach, Nev. on Aug. 31, 2013. U.S. Bureau of Land Management spokesman Mark Turney said Saturday more than 61,000 people have turned out so far for the weekend Burning Man outdoor art and music festival in the Black Rock Desert of northern Nevada. less

The "Man" burns on the Black Rock Desert at Burning Man near Gerlach, Nev. on Aug. 31, 2013. U.S. Bureau of Land Management spokesman Mark Turney said Saturday more than 61,000 people have turned out so far ... more

A sailboat art car fires off a round at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

A sailboat art car fires off a round at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the ... more

In this Wednesday, Aug. 28, 2013 photo, people gather inside a temple at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create Black Rock City, dedicated to community, art, self-expression and self-reliance. less

In this Wednesday, Aug. 28, 2013 photo, people gather inside a temple at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to ... more

People bang on drums to make monkey effigies spin in an interactive sculpture at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

People bang on drums to make monkey effigies spin in an interactive sculpture at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in ... more

Photo: Andy Barron, Associated Press

People bang on drums to make monkey effigies spin in an interactive... Photo-5128085.69376 - SFGate

The "Man" sculpture is illuminated after sunset at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

The "Man" sculpture is illuminated after sunset at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the ... more

Photo: Andy Barron, Associated Press

The "Man" sculpture is illuminated after sunset at the... Photo-5128086.69376 - SFGate

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An art car rumbles by at sunset at Burning Man 2013. http://www.fest300.com/

An art car rumbles by at sunset at Burning Man 2013. http://www.fest300.com/

People sit inside an art installation at sunset at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

People sit inside an art installation at sunset at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the ... more

Photo: Andy Barron, Associated Press

People sit inside an art installation at sunset at the Burning Man... Photo-5128087.69376 - SFGate

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A sailboat art car drives across the playa at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

A sailboat art car drives across the playa at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the ... more

Photo: Andy Barron, Associated Press

A sailboat art car drives across the playa at the Burning Man... Photo-5128088.69376 - SFGate

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In this Aug. 26, 2013 photo, a woman rides her bike between cars waiting to enter Burning Man in Gerlach, Nev. According to The Reno Gazette-Journal, an estimated 68,000 people are anticipated to attend the event. less

In this Aug. 26, 2013 photo, a woman rides her bike between cars waiting to enter Burning Man in Gerlach, Nev. According to The Reno Gazette-Journal, an estimated 68,000 people are anticipated to attend the ... more

Photo: Andy Barron, Associated Press

In this Aug. 26, 2013 photo, a woman rides her bike between cars... Photo-5128089.69376 - SFGate

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In this Wednesday, Aug. 28, 2013 photo, people gather at the "Photo Chapel" at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create Black Rock City, dedicated to community, art, self-expression and self-reliance. less

In this Wednesday, Aug. 28, 2013 photo, people gather at the "Photo Chapel" at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to ... more

In this Wednesday, Aug. 28, 2013 photo, people gather outside a temple art structure at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create Black Rock City, dedicated to community, art, self-expression and self-reliance. less

In this Wednesday, Aug. 28, 2013 photo, people gather outside a temple art structure at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock ... more

A man in a priest outfit walks away from the "Photo Chapel" at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

A man in a priest outfit walks away from the "Photo Chapel" at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock ... more

Photo: Andy Barron, Associated Press

A man in a priest outfit walks away from the "Photo... Photo-5128091.69376 - SFGate

In this Aug. 26, 2013 photo, attendees wait to enter the "Burning Man," an annual arts festival, in Gerlach, Nev. According to The Reno Gazette-Journal, an estimated 68,000 people are anticipated to attend the event. less

In this Aug. 26, 2013 photo, attendees wait to enter the "Burning Man," an annual arts festival, in Gerlach, Nev. According to The Reno Gazette-Journal, an estimated 68,000 people are anticipated to attend the ... more

In this Aug. 26, 2013 photo, a woman looks out at cars waiting to enter "Burning Man," an annual arts festival, in Gerlach, Nev. According to The Reno Gazette-Journal an estimated 68,000 people are anticipated to attend the event. less

In this Aug. 26, 2013 photo, a woman looks out at cars waiting to enter "Burning Man," an annual arts festival, in Gerlach, Nev. According to The Reno Gazette-Journal an estimated 68,000 people are anticipated ... more

A sailboat art car moves across the playa at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

A sailboat art car moves across the playa at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the ... more

Photo: Andy Barron, Associated Press

A sailboat art car moves across the playa at the Burning Man... Photo-5128092.69376 - SFGate

Image 23 of 35

In this Wednesday, Aug. 28, 2013 photo, a couple kisses at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert to create Black Rock City, dedicated to community, art, self-expression and self-reliance. less

In this Wednesday, Aug. 28, 2013 photo, a couple kisses at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert to create Black Rock City, dedicated ... more

In this Thursday, Aug. 29 photo, people relax inside Center Camp at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create Black Rock City, dedicated to community, art, self-expression and self-reliance. less

In this Thursday, Aug. 29 photo, people relax inside Center Camp at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create ... more

A woman stops to look at the art around Center Camp at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for the counterculture event. less

A woman stops to look at the art around Center Camp at the Burning Man festival in Gerlach, Nev. on Friday, Aug. 30, 2013. Once a year, tens of thousands of participants gather in Nevada's Black Rock Desert for ... more

Photo: Andy Barron, Associated Press

A woman stops to look at the art around Center Camp at the Burning... Photo-5128097.69376 - SFGate

Image 28 of 35

In this Thursday, Aug. 29, 2013 photo, a man walks past an art piece at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create Black Rock City, dedicated to community, art, self-expression and self-reliance. less

In this Thursday, Aug. 29, 2013 photo, a man walks past an art piece at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create ... more

In this Thursday, Aug. 29, 2013 photo, a band plays on top of a bus at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create Black Rock City, dedicated to community, art, self-expression and self-reliance. less

In this Thursday, Aug. 29, 2013 photo, a band plays on top of a bus at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create ... more

Photo: Andy Barron, Associated Press

In this Thursday, Aug. 29, 2013 photo, a band plays on top of a bus... Photo-5128099.69376 - SFGate

Image 30 of 35

In this Wednesday, Aug. 28, 2013 photo, a young woman walks through the dusty playa at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock Desert to create Black Rock City, dedicated to community, art, self-expression and self-reliance. less

In this Wednesday, Aug. 28, 2013 photo, a young woman walks through the dusty playa at Burning Man in Gerlach, Nev. Once a year, tens of thousands of participants gather for Burning Man in Nevada's Black Rock ... more